PartsTable TECHNICAL DATA SHEET

NSN 4820-01-561-9536Government record, cited

Seat, Valve4820-01-561-9536

NSN 4820-01-561-9536 · NIIN 015619536 · Part number 510-580

Kirby Morgan Dive Systems Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 58366

Government record, cited

NSN 4820-01-561-9536 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-561-9536. Manufacturer of record part number: 510-580.

Also searched as 4820-01-561-9536 · 4820015619536 · NIIN 015619536 · 01-561-9536 · FSC 4820 Valves, Nonpowered · CAGE 58366 · 510-580 · 4820PL2261600 · M7347-071018

Nearby stock numbers ← 4820-01-561-9492 Parts Kit, Ball Valve · 4820-01-561-9542 Parts Kit, Check Valve →

4820-01-561-9536 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Kirby Morgan Dive Systems Inc

Identification

NSN: 4820-01-561-9536
NIIN: 015619536
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 510-580
Manufacturer: Kirby Morgan Dive Systems Inc

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-561-9536, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kirby Morgan Dive Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-561-9536
Primary Part Number	510-580
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Kirby Morgan Dive Systems Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
510-580 PRIMARY	Kirby Morgan Dive Systems Inc (USA)

Reference documents

Reference	Meaning
4820PL2261600	6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index
M7347-071018	6/9 Informative reference only Forsvarets Materielverk

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-561-9536?

NSN 4820-01-561-9536 is a Seat,valve, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-561-9536?

NSN 4820-01-561-9536 has 1 manufacturer part number on file: 510-580 (Kirby Morgan Dive Systems Inc).

What are the specifications of 510-580?

Key specifications for 510-580: End Item Identification: NSN4220-01-448-6434. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-561-9536 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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